| FICE group n = 368 | Control group n = 396 | Difference | p Value | |
| ⩾1 lesion (n, %) | 186 (50.5%) | 191 (48.2%) | 2.3% | |
| 95% CI −4.8 to 9.4 | ||||
| ⩾1 adenoma (n, %) | 131 (35.6%) | 140(35.4%) | 0.2% | 1.0 |
| 95% CI −6.5 to 7.0 | ||||
| ⩾1 hyperplastic polyp (n, %) | 68 (18.5%) | 67 (16.9%) | 1.6% | 0.64 |
| 95% CI −3.9 to 7.0 | ||||
| ⩾1 carcinoma (n, %) | 12 (3.3%) | 12 (3.0%) | 0.2% | 0.85 |
| 95% CI −2.2 to 2.7% |
p Values were calculated using Fisher exact test.
FICE, Fujinon intelligent colour enhancement.